Benzylpenicillin CP Impurity I

Benzylpenicillin CP Impurity I
Catalog No. KMP016021
CAS No. 3264-88-8
Alt. Name DL-Benzylpenicillenic Acid
Formula C16H18N2O4S
FW 334.4
Unit Price Stock
100 mg Enquire Enquire
Chemical Name N-[(2-Benzyl-5-oxo-2-oxazolin-4-ylidene)methyl]-3-mercapto-valine
Purity >95%
Storage Store at 2-8 deg. C for long term storage
Shipping Product is stable to be Shipped at Room Temperature
Download MSDS

Related Products

Benzathine

Benzathine

CAS No. : 140-28-3

CAT No. : KMP016003

Formula : C16H20N2

FW : 240.4

View Details
Benzathine Benzylpenicillin

Benzathine Benzylpenicillin

CAS No. : 1538-09-6

CAT No. : KMP016004

Formula : C16H18N2O4S : 1/2(C16H20N2)

FW : 334.4 : 1/2(240.4)

View Details
Benzathine Benzylpenicillin EP Impurity A

Benzathine Benzylpenicillin EP Impurity A

CAS No. : 4152-09-4

CAT No. : KMP016005

Formula : C9H14 N2

FW : 150.2

View Details
Benzathine Benzylpenicillin EP Impurity B

Benzathine Benzylpenicillin EP Impurity B

CAS No. : 103-82-2

CAT No. : KMP016006

Formula : C8H8O2

FW : 136.2

View Details
Benzathine Benzylpenicillin EP Impurity C

Benzathine Benzylpenicillin EP Impurity C

CAS No. : NA

CAT No. : KMP016007

Formula : C32H38N4O4S

FW : 574.7

View Details
Benzathine Benzylpenicillin EP Impurity D

Benzathine Benzylpenicillin EP Impurity D

CAS No. : NA

CAT No. : KMP016008

Formula : C16H18N2O4S

FW : 334.4

View Details
Benzathine Benzylpenicillin EP Impurity E (2Na)

Benzathine Benzylpenicillin EP Impurity E (2Na)

CAS No. : NA

CAT No. : KMP016009

Formula : C16H18N2O5S : 2(Na)

FW : 350.4 : 2(23.0)

View Details
Benzathine Benzylpenicillin EP Impurity F

Benzathine Benzylpenicillin EP Impurity F

CAS No. : NA

CAT No. : KMP016010

Formula : C15H20N2O3S : HCl

FW : 308.4 : 36.5

View Details
Benzathine Benzylpenicillin EP Impurity H

Benzathine Benzylpenicillin EP Impurity H

CAS No. : NA

CAT No. : KMP016011

Formula : C14H19N2O4S : K

FW : 311.4 : 39.1

View Details
Benzathine BenzylPenicillin EP Impurity I

Benzathine BenzylPenicillin EP Impurity I

CAS No. : 31447-86-6

CAT No. : KMP016012

Formula : C14H21N2O4S : K

FW : 313.4 : 39.1

View Details
Benzathine Benzylpenicillin EP Impurity K

Benzathine Benzylpenicillin EP Impurity K

CAS No. : NA

CAT No. : KMP016013

Formula : C48H56N6O8S2

FW : 909.1

View Details
Benzathine Diacetate

Benzathine Diacetate

CAS No. : 122-75-8

CAT No. : KMP016014

Formula : C16H20N2 : 2(C2H4O2)

FW : 240.4 : 2(60.1)

View Details
Benzylpenicillin (benzathine) tetrahydrate

Benzylpenicillin (benzathine) tetrahydrate

CAS No. : 41372-02-5

CAT No. : KMP016018

Formula : C16H20N2 : 2(C16H18N2O4S) : 4H2O

FW : 240.4 : 2(334.4) : 4(18.0)

View Details
Benzylpenicillin EP Impurity C Sodium Salt

Benzylpenicillin EP Impurity C Sodium Salt

CAS No. : 5985-13-7

CAT No. : KMP016024

Formula : C16H17N2O5S : Na

FW : 349.4 : 23.0

View Details
Benzylpenicillin sodium

Benzylpenicillin sodium

CAS No. : 69-57-8

CAT No. : KMP016031

Formula : C16H17N2NaO4S

FW : 356.4

View Details
Phenoxymethyl Penicillin Impurity 3

Phenoxymethyl Penicillin Impurity 3

CAS No. : NA

CAT No. : KMP016057

Formula : C19H24N2O7S

FW : 424.5

View Details
Phenoxymethylpenicillin EP Impurity B

Phenoxymethylpenicillin EP Impurity B

CAS No. : 122-59-8

CAT No. : KMP016060

Formula : C8H8O3

FW : 152.2

View Details
Phenoxymethylpenicillin EP Impurity D

Phenoxymethylpenicillin EP Impurity D

CAS No. : 20880-67-5

CAT No. : KMP016061

Formula : C16H18N2O6S

FW : 366.4

View Details
Phenoxymethylpenicillin EP Impurity D (Sodium salt)

Phenoxymethylpenicillin EP Impurity D (Sodium salt)

CAS No. : 1643662-86-5

CAT No. : KMP016062

Formula : C16H17N2O6S : Na

FW : 365.4 : 23.0

View Details
Phenoxymethylpenicillin EP Impurity E

Phenoxymethylpenicillin EP Impurity E

CAS No. : NA

CAT No. : KMP016063

Formula : C16H20N2O6S

FW : 368.4

View Details
Phenoxymethylpenicillin EP Impurity F HCl

Phenoxymethylpenicillin EP Impurity F HCl

CAS No. : NA

CAT No. : KMP016064

Formula : C15H20N2O4S : HCl

FW : 324.4 : 36.5

View Details
phenoxymethylpenicillin potassium

phenoxymethylpenicillin potassium

CAS No. : 132-98-9

CAT No. : KMP016065

Formula : C16H17KN2O5S

FW : 388.5

View Details
Phenoxymethylpenicillin Potassium Impurity A

Phenoxymethylpenicillin Potassium Impurity A

CAS No. : 113-98-4

CAT No. : KMP016066

Formula : C16H17N2O4S : K

FW : 333.4 : 39.1

View Details
Phenoxymethylpenicillin Potassium Impurity G

Phenoxymethylpenicillin Potassium Impurity G

CAS No. : NA

CAT No. : KMP016067

Formula : C32H38N4O5S

FW : 590.7

View Details
Benzylpenicillin CP Impurity J

Benzylpenicillin CP Impurity J

CAS No. : NA

CAT No. : KMP016022

Formula : C17H20N2O6S

FW : 380.4

View Details
Benzylpenicillin Impurity 4

Benzylpenicillin Impurity 4

CAS No. : NA

CAT No. : KMP016028

Formula : C19H24N2O7S

FW : 424.5

View Details
Benzyl Penicilloic Acid Mono-Sodium Salt

Benzyl Penicilloic Acid Mono-Sodium Salt

CAS No. : NA

CAT No. : KMP016017

Formula : C16H19N2O5S : Na

FW : 351.4 : 23.0

View Details
Benzylpenicillin CP Impurity G

Benzylpenicillin CP Impurity G

CAS No. : NA

CAT No. : KMP016019

Formula : C6H11NO3S

FW : 177.2

View Details
Benzylpenicillin CP Impurity H

Benzylpenicillin CP Impurity H

CAS No. : 500-98-1

CAT No. : KMP016020

Formula : C10H11NO3

FW : 193.2

View Details
Benzylpenicillin CP Impurity L

Benzylpenicillin CP Impurity L

CAS No. : NA

CAT No. : KMP016023

Formula : C26H29N3O7S

FW : 527.6

View Details
Benzylpenicillin Impurity 1

Benzylpenicillin Impurity 1

CAS No. : NA

CAT No. : KMP016025

Formula : C18H25N3O6S 

FW : 411.5

View Details
Benzylpenicillin Impurity 2

Benzylpenicillin Impurity 2

CAS No. : NA

CAT No. : KMP016026

Formula : C27H27N3O2

FW : 425.5

View Details
Benzylpenicillin Impurity 3

Benzylpenicillin Impurity 3

CAS No. : NA

CAT No. : KMP016027

Formula : C27H27N3O2

FW : 425.5

View Details
Benzylpenicillin Impurity 5

Benzylpenicillin Impurity 5

CAS No. : NA

CAT No. : KMP016029

Formula : C28H40N2O16S

FW : 692.7

View Details
Benzylpenicillin Impurity 6

Benzylpenicillin Impurity 6

CAS No. : NA

CAT No. : KMP016030

Formula : C27H27N3O2

FW : 425.5

View Details
Glycine

Glycine

CAS No. : 14231-45-9

CAT No. : KMP016032

Formula : C10H11NO4

FW : 209.2

View Details
Isopenicillin N

Isopenicillin N

CAS No. : 58678-43-6

CAT No. : KMP016033

Formula : C14H21N3O6S

FW : 359.4

View Details
Isopenillic acid

Isopenillic acid

CAS No. : 90962-63-3

CAT No. : KMP016034

Formula : C16H18N2O4S

FW : 334.4

View Details
Monomethyl Benzylpenicilloate

Monomethyl Benzylpenicilloate

CAS No. : 59054-27-2

CAT No. : KMP016035

Formula : C17H22N2O5S 

FW : 366.4

View Details
Penicillenic Acid

Penicillenic Acid

CAS No. : 10250-99-4

CAT No. : KMP016039

Formula : C10H13NO4S 

FW : 243.3

View Details
Penicillic Acid

Penicillic Acid

CAS No. : 90-65-3

CAT No. : KMP016040

Formula : C8H10O4

FW : 170.2

View Details
Penicillin G 4-Methoxybenzyl Ester

Penicillin G 4-Methoxybenzyl Ester

CAS No. : 30200-14-7

CAT No. : KMP016041

Formula : C24H26N2O5S

FW : 454.5

View Details
Penicillin G Procaine

Penicillin G Procaine

CAS No. : 6130-64-9

CAT No. : KMP016042

Formula : C16H18N2O4S : C13H20N2O2

FW : 334.4 : 236.3

View Details
Penicillin G Sulfoxide P-Methoxybenzyl Ester

Penicillin G Sulfoxide P-Methoxybenzyl Ester

CAS No. : 53956-74-4

CAT No. : KMP016043

Formula : C24H26N2O6S

FW : 470.5

View Details
Penicillin Impurity 1

Penicillin Impurity 1

CAS No. : NA

CAT No. : KMP016045

Formula : C14H20N2O6S

FW : 344.4

View Details
Penicillin Impurity 2

Penicillin Impurity 2

CAS No. : NA

CAT No. : KMP016046

Formula : C16H18N2O5S

FW : 350.4

View Details
Penicillin Impurity 3

Penicillin Impurity 3

CAS No. : 106247-27-2

CAT No. : KMP016047

Formula : C30H30N2O7S2

FW : 594.7

View Details
Penicillin Impurity 4

Penicillin Impurity 4

CAS No. : 185628-58-4

CAT No. : KMP016048

Formula : C31H29N3O5S3

FW : 619.8

View Details
Penicillin Impurity 5

Penicillin Impurity 5

CAS No. : 123017-57-2

CAT No. : KMP016049

Formula : C25H23N3O2

FW : 397.5

View Details
Penicilloic acid

Penicilloic acid

CAS No. : 64527-07-7

CAT No. : KMP016051

Formula : C9H14N2O5S

FW : 262.3

View Details
Penilloaldehyde

Penilloaldehyde

CAS No. : 713115-95-8

CAT No. : KMP016052

Formula : C10H11NO3

FW : 193.2

View Details
Phenoxymethyl Penicillin

Phenoxymethyl Penicillin

CAS No. : NA

CAT No. : KMP016053

Formula : C19H24N2O7S

FW : 424.5

View Details
Phenoxymethyl penicillin dimer 1

Phenoxymethyl penicillin dimer 1

CAS No. : NA

CAT No. : KMP016054

Formula : C31H40N4O10S2

FW : 692.8

View Details
Phenoxymethyl Penicillin Impurity 1

Phenoxymethyl Penicillin Impurity 1

CAS No. : NA

CAT No. : KMP016055

Formula : C19H24N2O7S

FW : 424.5

View Details
Phenoxymethyl Penicillin Impurity 2

Phenoxymethyl Penicillin Impurity 2

CAS No. : NA

CAT No. : KMP016056

Formula : C19H24N2O7S

FW : 424.5

View Details
Phenoxymethylpenicillin

Phenoxymethylpenicillin

CAS No. : 87-08-1

CAT No. : KMP016058

Formula : C16H18N2O5S

FW : 350.4

View Details
Phenoxymethylpenillic Acid Dimethyl Ester

Phenoxymethylpenillic Acid Dimethyl Ester

CAS No. : 27190-68-7

CAT No. : KMP016068

Formula : C18H22N2O5S 

FW : 378.4

View Details
Penicillin G-D7

Penicillin G-D7

CAS No. : 30220-69-0

CAT No. : KMP016044

Formula : C16H11D7N2O4S

FW : 341.4

View Details
Penicillin V -β-Sulfoxide D3

Penicillin V -β-Sulfoxide D3

CAS No. : 148680-07-3

CAT No. : KMP016050

Formula : C16H15D3N2O6S

FW : 369.4

View Details
Phenoxymethylpenicillin D5

Phenoxymethylpenicillin D5

CAS No. : 1356837-87-0

CAT No. : KMP016059

Formula : C16H13D5N2O5S

FW : 355.4

View Details
15N2 Dinitroso Benzathine

15N2 Dinitroso Benzathine

CAS No. : NA

CAT No. : KMP016002

Formula : C16H18N215N2O2

FW : 300.3

View Details
Benzathine Nitroso Impurity 1

Benzathine Nitroso Impurity 1

CAS No. : NA

CAT No. : KMP016015

Formula : C16H20N3O : Cl

FW : 270.4 : 35.5

View Details
Benzathine Nitroso Impurity 2

Benzathine Nitroso Impurity 2

CAS No. : 69239-61-8

CAT No. : KMP016016

Formula : C16H18N4O2

FW : 298.3

View Details
N-Nitroso Benzylpenicillin EP Impurity E

N-Nitroso Benzylpenicillin EP Impurity E

CAS No. : NA

CAT No. : KMP016036

Formula : C16H19N3O6S

FW : 381.4

View Details
N-Nitroso Benzylpenilloic Acid

N-Nitroso Benzylpenilloic Acid

CAS No. : NA

CAT No. : KMP016037

Formula : C15H19N3O4S

FW : 337.4

View Details
15N Nitroso Benzathine

15N Nitroso Benzathine

CAS No. : NA

CAT No. : KMP016001

Formula : C16H19N215NO

FW : 270.3

View Details
N-Nitroso Penicillenic Acid

N-Nitroso Penicillenic Acid

CAS No. : NA

CAT No. : KMP016038

Formula : C16H17N3O5S

FW : 363.4

View Details

About Us

K. M. Pharma Solution Pvt. Ltd., India (CIN: U72100GJ2023PTC141278), is a leading, innovation-driven company accredited by FDCA, GMP-GLP, ISO 9001:2015, and NABL (ISO/IEC 17025 & ISO 17034). Specializing in the design, synthesis, and characterization of pharmaceutical impurity standards and reference materials, we offer an extensive portfolio including nitrosamine impurities, pharmacopeial and non-pharmacopeial impurities, drug metabolites, glucuronides, process degradants, excipient-related impurities, unknown impurity isolation & structural elucidation, and stable isotope-labeled compounds.

As an integrated Contract Research, Development & Manufacturing Organization (CRDMO), we provide end-to-end scientific services — from early-stage discovery through to commercial supply — with a strong focus on quality, compliance, and customer satisfaction.

Contact Us

  • Unit No.101, Shivam Industrial park,
    Sarkhej-bavala NH=8A, At-Moraiya, Changodar,
    Ahmedabad (Gujarat), India - 382213
  • contact@kmpharma.in
  • +91 9898822121

© 2025 K.M.Pharma. All Rights Reserved